tree 3edc813b7168552a1ca9afad1f04b698a65f371e
parent bd58c7e0860f54710907903ed6daff699d1fc5b9
author Ursula Braun <ubraun@linux.ibm.com> 1533730401 +0200
committer David S. Miller <davem@davemloft.net> 1533780862 -0700

net/smc: move sock lock in smc_ioctl()

When an SMC socket is connecting it is decided whether fallback to
TCP is needed. To avoid races between connect and ioctl move the
sock lock before the use_fallback check.

Reported-by: syzbot+5b2cece1a8ecb2ca77d8@syzkaller.appspotmail.com
Reported-by: syzbot+19557374321ca3710990@syzkaller.appspotmail.com
Fixes: 1992d99882af ("net/smc: take sock lock in smc_ioctl()")
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>